Helium analyzer
A Helium analyzer is an instrument used to identify the presence and concentration of helium in a mixture of gases. == Applications == A helium analyzer is typically used in the following applications: Technical Scuba Diving: In Technical diving where breathing gas mixtures known as Trimix comprising oxygen, helium and nitrogen are used, it is necessary to know the fraction of helium in the mixture to reliably calculate decompression schedules for dives using that mixture.